Test your basic knowledge |

Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Male on one pin and female on other side






2. Days which have decreasing daylight hours

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


3. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






4. Way to know everything is alright with the breeding male






5. Duct through penis that carries sperm and urine






6. 147 days






7. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






8. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






9. (male) pushes the testes upward toward the body for warmth or protection






10. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.






11. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






12. What helps regulate spermatogenesis?






13. Start of the reproductive tract for the female. located outside of the body






14. 30-38 hours after estrus cycle begins






15. 30 hours after estrus begins






16. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






17. Depository for semen during insemination. where urine leaves the body






18. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days






19. 283 days






20. Male on one pin and female on other side






21. 2 month growth cycle. stored in the epididymis of the bull






22. To remove/separate testicles from animal's body before animal reaches puberty






23. Superior genes are _______ to multiply






24. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






25. 4-6 days






26. Days which have decreasing daylight hours

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


27. 1-3 days






28. Days which have increasing daylight hours

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


29. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






30. Actual heat cycle (period)






31. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






32. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






33. What helps regulate spermatogenesis?






34. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






35. Duct through penis that carries sperm and urine






36. The more stressed out the male is - the less sperm he is going to produce






37. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






38. FEED






39. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






40. Provide nourishment for the developing sperm






41. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






42. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






43. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






44. Important 'landmark' during palpation






45. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






46. Front feet and head first. (except for hogs and dogs)






47. When are dairy cattle dehorned?






48. Animals which have only one estrous cycle (ex: dog - fox)






49. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






50. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)